Finding the Third Proportional to 389,110 and 852,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,110 : 852,033.50 = 852,033.50 : x
2. Step 2: Convert to fraction form
   389,110/852,033.50 = 852,033.50/x
3. Step 3: Cross multiply
   389,110x = 852,033.50 × 852,033.50
4. Step 4: Simplify right side
   389,110x = 725,961,085,122.25
5. Step 5: Solve for x
   x = 725,961,085,122.25/389,110
6. Step 6: Final answer
   x = 1,865,696.29